Seizures after Ketamine in dogs

The FDA has received 223 reports of seizures in dogs after Ketamine. That is 12% of all reports for this medicine, compared with 4.4% across reports for all dog medicines, so it is reported unusually often with this medicine.

223Reports
58%Marked serious
48%Recovered
13%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
107 76%
1–2 days
12 8.5%
3–7 days
5 3.5%
1–4 weeks
7 5.0%
Over a month
10 7.1%

How the animals did

Recovered
107 48%
Still unwell when reported
9 4.0%
Died
19 8.5%
Euthanised
10 4.5%
Not known
78 35%

Problems reported at the same time

Age of the animals

Under 1 year
20
1–3 years
39
4–7 years
63
8–11 years
35
12+ years
13

About this medicine

Type: medicine.

Questions owners ask

Can Ketamine cause seizures in dogs?
223 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
How soon after a dose was it reported?
In half of the reports with dates, it started within the same day of the first dose.
What should I do?
Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).

Seizures with similar medicines

All reported side effects of Ketamine in dogs · Medicines most reported with seizures